S
M
T
W
T
F
S
28
86°
69°
29
91°
67°
30
94°
73°
1
98°
73°
2
101°
73°
3
100°
73°
4
100°
74°
5
96°
71°
6
94°
71°
7
90°
71°
8
90°
69°
9
94°
68°
10
93°
71°
11
89°
70°
12
88°
69°
13
88°
68°
14
87°
69°
15
89°
69°
16
91°
70°
17
92°
63°
18
88°
69°
19
89°
70°
20
90°
69°
21
89°
68°
22
88°
68°
23
88°
69°
24
87°
69°
25
84°
68°
26
84°
68°
27
87°
69°
28
88°
69°
29
83°
68°
30
84°
69°
31
88°
69°
1
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Monticello
Monticello's July 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 63° and 71°. The average high for July is 89° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Monticello. See also: August | September | October.
